/* ================================== */
/*    СТИЛИ СТРАНИЦЫ "КУРСЫ ВАЛЮТ"    */
/* ================================== */

/* --- Общие стили страницы --- */
main.exchange-rates-page {
    padding-bottom: 40px;
}
.page-container {
    max-width: 1200px;
    margin: 0 auto;
}

.page-title-section {
    text-align: center;
    margin-bottom: 40px;
}
.page-title-section h1 {
    font-size: 2.8rem;
    font-weight: 700;
}
.page-title-section #exchangeDate {
    font-size: 1rem;
    color: #6c757d;
}

/* --- Секция конвертера --- */
.converter-section-v1 {
    max-width: 800px;
    margin: 0 auto 40px;
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 16px;
    padding: 30px;
}
.converter-section-v1 h2 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 25px;
}
.converter-box {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 20px;
}
.converter-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}
/* Скрываем label на десктопе */
.converter-group label {
    display: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: #495057;
    margin-bottom: -2px;
}
.form-control, .form-select {
    width: 100%;
    padding: 12px;
    font-size: 1.1rem;
    border: 1px solid #ced4da;
    border-radius: 8px;
    background-color: #fff;
}
.form-control:focus, .form-select:focus {
    outline: none;
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.2);
}
.swap-icon {
    font-size: 1.5rem;
    color: #0d6efd;
    cursor: pointer;
    transition: transform 0.3s ease;
    padding-bottom: 12px; /* Иконка по центру инпутов */
}
.swap-icon:hover {
    transform: rotate(180deg);
}

/* --- Сетка карточек валют --- */
.currency-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

/* --- Карточка валюты --- */
.currency-card {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 20px;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.currency-card:hover {
    border-color: #0d6efd;
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}
.card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e9ecef;
}
.flag-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}
.currency-info {
    display: flex;
    flex-direction: column;
}
.currency-code {
    font-size: 1.1rem;
    font-weight: 600;
    color: #212529;
}
.currency-name {
    font-size: 0.9rem;
    color: #6c757d;
}
.card-body {
    padding-top: 15px;
    font-size: 1.2rem;
    color: #495057;
}
.rate-value {
    font-weight: 600;
    color: #0d6efd;
}

/* --- Индикатор загрузки (Прелоадер) --- */
.loader-wrapper {
    display: none;
    text-align: center;
    padding: 40px;
}
.loader-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #0d6efd;
    border-radius: 50%;
    display: inline-block;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================= */
/*          АДАПТАЦИЯ ДЛЯ ТЕМНОЙ ТЕМЫ            */
/* ============================================= */
.dark-theme .page-title-section h1 { color: #fff; }
.dark-theme .page-title-section #exchangeDate { color: #a0a0a0; }

.dark-theme .converter-section-v1 {
    background-color: #2c2c2e;
    border-color: #444;
}
.dark-theme .converter-section-v1 h2 { color: #fff; }

.dark-theme .converter-group label { color: #a0a0a0; }
.dark-theme .form-control, .dark-theme .form-select {
    background-color: #1c1c1e;
    border-color: #555;
    color: #fff;
}
.dark-theme .swap-icon { color: #58a6ff; }

.dark-theme .currency-card {
    background-color: #2c2c2e;
    border-color: #444;
}
.dark-theme .currency-card:hover {
    border-color: #58a6ff;
}
.dark-theme .card-header { border-bottom-color: #444; }
.dark-theme .currency-code { color: #f2f2f7; }
.dark-theme .currency-name { color: #a0a0a0; }
.dark-theme .card-body { color: #d1d1d6; }
.dark-theme .rate-value { color: #58a6ff; }

.dark-theme .loader-spinner {
    border-color: #444;
    border-top-color: #58a6ff;
}

/* --- Адаптивность --- */
@media (max-width: 576px) {
    .converter-box { 
        flex-direction: column; 
        align-items: stretch; /* На всю ширину */
    }
    .swap-icon {
        transform: rotate(90deg); /* Поворачиваем иконку для вертикального вида */
        padding: 10px 0;
        text-align: center;
    }
    .swap-icon:hover {
        transform: rotate(90deg) scale(1.1);
    }
    /* Показываем label на мобильных */
    .converter-group label {
        display: block;
    }
    .currency-grid { grid-template-columns: 1fr; }
}